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Kim Dayeon who had an unfortunate childhood already had her her new life in Seoul. But what if that long past start to follow her again? Would she escape?

Highschool alternate universe of Kep1er and Girls Planet 999! Dayeon's class gets a new seating arrangements, and Dayeon's Seatmate was.. you'll see.

Dayeon and Chaehyun have been in a relationship for three years now. They've been in their happiest and in their lowest point yet they still chose to stay. But what if one of them suddenly got tired and chose to end it? Will they handle the pain of losing each other?